In the Linux kernel, the following vulnerability has been resolved: ksmbd: rate limit unmapped SID errors A client can include many structurally valid but unmapped SIDs in a DACL. Logging every mapping failure lets one request generate hundreds of kernel error messages. Rate limit the message to prevent an authenticated client from flooding the kernel log.
https://git.kernel.org/stable/c/feca5e70fc963b088377b20879e8cd8237c2fd7d
https://git.kernel.org/stable/c/54cb2a909996346ac6a8a3beac96c07b3dcba584
https://git.kernel.org/stable/c/30dbb08777b9a611d7d9193c040f382fbd0e7562
https://git.kernel.org/stable/c/13af319c1efec0b45fb5c1b16830eb0888b3fd1e